/Engine/Source/Runtime/Landscape/Classes/LandscapeInfo.h
Returns the landscape proxy of this landscape info in the given level (if it exists)
Landscape or landscape proxy found in the given level, or null if none
[ALandscapeProxy](API\Runtime\Landscape\ALandscapeProxy) * GetLandscapeProxyForLevel ( [ULevel](API\Runtime\Engine\Engine\ULevel) * Level ) const